1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914
|
/**
* Creates new jsPDF document object instance
* @constructor jsPDF
* @param orientation One of "portrait" or "landscape" (or shortcuts "p" (Default), "l")
* @param unit Measurement unit to be used when coordinates are specified. One of "pt" (points), "mm" (Default), "cm", "in"
* @param format One of 'a3', 'a4' (Default),'a5' ,'letter' ,'legal'
* @returns {jsPDF}
*/
var jsPDF = function(/** String */ orientation, /** String */ unit, /** String */ format){
// Default parameter values
if (typeof orientation === 'undefined') orientation = 'p'
else orientation = orientation.toString().toLowerCase()
if (typeof unit === 'undefined') unit = 'mm'
if (typeof format === 'undefined') format = 'a4'
var format_as_string = format.toString().toLowerCase()
, HELVETICA = "helvetica"
, TIMES = "times"
, COURIER = "courier"
, NORMAL = "normal"
, BOLD = "bold"
, ITALIC = "italic"
, BOLD_ITALIC = "bolditalic"
, version = '20120220'
, content = []
, content_length = 0
, pdfVersion = '1.3' // PDF Version
, pageFormats = { // Size in pt of various paper formats
'a3': [841.89, 1190.55]
, 'a4': [595.28, 841.89]
, 'a5': [420.94, 595.28]
, 'letter': [612, 792]
, 'legal': [612, 1008]
}
, textColor = '0 g'
, drawColor = '0 G'
, page = 0
, objectNumber = 2 // 'n' Current object number
, outToPages = false // switches where out() prints. outToPages true = push to pages obj. outToPages false = doc builder content
, pages = []
, offsets = [] // List of offsets. Activated and reset by buildDocument(). Pupulated by various calls buildDocument makes.
, fonts = [] // List of fonts
, fontmap = {} // mapping structure - performance layer. See addFont()
, fontName = HELVETICA // Default font
, fontType = NORMAL // Default type
, activeFontKey // will be string representing the KEY of the font as combination of fontName + fontType
, lineWidth = 0.200025 // 2mm
, pageHeight
, pageWidth
, k // Scale factor
, documentProperties = {}
, fontSize = 16 // Default font size
, textColor = "0 g"
, lineCapID = 0
, lineJoinID = 0
, images = {}
/////////////////////
// Private functions
/////////////////////
// Convert an internal javascript utf16 string into a sequence of bytes
// code from utf8.js http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt
// public domain lisence
, utf16to8 = function(str) {
var out, i, len, c;
out = "";
len = str.length;
for(i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i);
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
}
}
return out;
}
// takes a string imgData containing the raw bytes of
// a jpeg image and returns [width, height]
// Algorithm from: http://www.64lines.com/jpeg-width-height
, getJpegSize = function(imgData) {
var width, height;
// Verify we have a valid jpeg header 0xff,0xd8,0xff,0xe0,?,?,'J','F','I','F',0x00
if (!imgData.charCodeAt(0) === 0xff ||
!imgData.charCodeAt(1) === 0xd8 ||
!imgData.charCodeAt(2) === 0xff ||
!imgData.charCodeAt(3) === 0xe0 ||
!imgData.charCodeAt(6) === 'J'.charCodeAt(0) ||
!imgData.charCodeAt(7) === 'F'.charCodeAt(0) ||
!imgData.charCodeAt(8) === 'I'.charCodeAt(0) ||
!imgData.charCodeAt(9) === 'F'.charCodeAt(0) ||
!imgData.charCodeAt(10) === 0x00) {
throw new Error('getJpegSize requires a binary jpeg file')
}
var blockLength = imgData.charCodeAt(4)*256 + imgData.charCodeAt(5);
var i = 4, len = imgData.length;
while ( i < len ) {
i += blockLength;
if (imgData.charCodeAt(i) !== 0xff) {
throw new Error('getJpegSize could not find the size of the image');
}
if (imgData.charCodeAt(i+1) === 0xc0) {
height = imgData.charCodeAt(i+5)*256 + imgData.charCodeAt(i+6);
width = imgData.charCodeAt(i+7)*256 + imgData.charCodeAt(i+8);
return [width, height];
} else {
i += 2;
blockLength = imgData.charCodeAt(i)*256 + imgData.charCodeAt(i+1)
}
}
}
// simplified (speedier) replacement for sprintf's %.2f conversion
, f2 = function(number){
return number.toFixed(2)
}
// simplified (speedier) replacement for sprintf's %.3f conversion
, f3 = function(number){
return number.toFixed(3)
}
// simplified (speedier) replacement for sprintf's %02d
, padd2 = function(number) {
var n = (number).toFixed(0)
if ( number < 10 ) return '0' + n
else return n
}
// simplified (speedier) replacement for sprintf's %02d
, padd10 = function(number) {
var n = (number).toFixed(0)
if (n.length < 10) return new Array( 11 - n.length ).join( '0' ) + n
else return n
}
, out = function(string) {
if(outToPages /* set by beginPage */) {
pages[page].push(string)
} else {
content.push(string)
content_length += string.length + 1 // +1 is for '\n' that will be used to join contents of content
}
}
, newObject = function() {
// Begin a new object
objectNumber ++
offsets[objectNumber] = content_length
out(objectNumber + ' 0 obj');
}
, putPages = function() {
var wPt = pageWidth * k
var hPt = pageHeight * k
// outToPages = false as set in endDocument(). out() writes to content.
for(n=1; n <= page; n++) {
newObject()
out('<</Type /Page')
out('/Parent 1 0 R');
out('/Resources 2 0 R')
out('/Contents ' + (objectNumber + 1) + ' 0 R>>')
out('endobj')
// Page content
p = pages[n].join('\n')
newObject()
out('<</Length ' + p.length + '>>')
putStream(p)
out('endobj')
}
offsets[1] = content_length
out('1 0 obj')
out('<</Type /Pages')
var kids = '/Kids ['
for (i = 0; i < page; i++) {
kids += (3 + 2 * i) + ' 0 R '
}
out(kids + ']')
out('/Count ' + page)
out('/MediaBox [0 0 '+f2(wPt)+' '+f2(hPt)+']')
out('>>')
out('endobj');
}
, putStream = function(str) {
out('stream')
out(str)
out('endstream')
}
, putResources = function() {
putFonts()
putImages()
// Resource dictionary
offsets[2] = content_length
out('2 0 obj')
out('<<')
putResourceDictionary()
out('>>')
out('endobj')
}
, putFonts = function() {
for (var i = 0, l=fonts.length; i < l; i++) {
putFont(fonts[i])
}
}
, putFont = function(font) {
newObject()
font.number = objectNumber
out('<</BaseFont/' + font.name + '/Type/Font')
out('/Subtype/Type1>>')
out('endobj')
}
, addFont = function(name, fontName, fontType, undef) {
var fontkey = 'F' + (fonts.length + 1).toString(10)
fonts.push({'key': fontkey, 'number': objectNumber, 'name': name, 'fontName': fontName, 'type': fontType})
// this is mapping structure for quick font lookup.
// returns the KEY of the font within fonts array.
if (fontmap[fontName] === undef){
fontmap[fontName] = {} // fontType is a var interpreted and converted to appropriate string. don't wrap in quotes.
}
fontmap[fontName][fontType] = fontkey
}
, addFonts = function() {
addFont('Helvetica', HELVETICA, NORMAL)
addFont('Helvetica-Bold', HELVETICA, BOLD)
addFont('Helvetica-Oblique', HELVETICA, ITALIC)
addFont('Helvetica-BoldOblique', HELVETICA, BOLD_ITALIC)
addFont('Courier', COURIER, NORMAL)
addFont('Courier-Bold', COURIER, BOLD)
addFont('Courier-Oblique', COURIER, ITALIC)
addFont('Courier-BoldOblique', COURIER, BOLD_ITALIC)
addFont('Times-Roman', TIMES, NORMAL)
addFont('Times-Bold', TIMES, BOLD)
addFont('Times-Italic', TIMES, ITALIC)
addFont('Times-BoldItalic', TIMES, BOLD_ITALIC)
}
, putResourceDictionary = function() {
out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]')
out('/Font <<')
// Do this for each font, the '1' bit is the index of the font
for (var i = 0; i < fonts.length; i++) {
out('/' + fonts[i].key + ' ' + fonts[i].number + ' 0 R')
}
out('>>')
out('/XObject <<')
putXobjectDict()
out('>>')
}
, putXobjectDict = function() {
for (img in images) {
out('/I' + images[img]['i'] + ' ' + images[img]['n'] + ' 0 R');
}
}
, putInfo = function() {
out('/Producer (jsPDF ' + version + ')')
if(documentProperties.title != undefined) {
out('/Title (' + pdfEscape(documentProperties.title) + ')')
}
if(documentProperties.subject != undefined) {
out('/Subject (' + pdfEscape(documentProperties.subject) + ')')
}
if(documentProperties.author != undefined) {
out('/Author (' + pdfEscape(documentProperties.author) + ')')
}
if(documentProperties.keywords != undefined) {
out('/Keywords (' + pdfEscape(documentProperties.keywords) + ')')
}
if(documentProperties.creator != undefined) {
out('/Creator (' + pdfEscape(documentProperties.creator) + ')')
}
var created = new Date()
out('/CreationDate (D:' +
[
created.getFullYear()
, padd2(created.getMonth() + 1)
, padd2(created.getDate())
, padd2(created.getHours())
, padd2(created.getMinutes())
, padd2(created.getSeconds())
].join('')+
')'
)
}
, putCatalog = function () {
out('/Type /Catalog')
out('/Pages 1 0 R')
// @TODO: Add zoom and layout modes
out('/OpenAction [3 0 R /FitH null]')
out('/PageLayout /OneColumn')
}
, putTrailer = function () {
out('/Size ' + (objectNumber + 1))
out('/Root ' + objectNumber + ' 0 R')
out('/Info ' + (objectNumber - 1) + ' 0 R')
}
, beginPage = function() {
page ++
// Do dimension stuff
outToPages = true
pages[page] = []
}
, _addPage = function() {
beginPage()
// Set line width
out(f2(lineWidth * k) + ' w')
// Set draw color
out(drawColor)
// resurrecting non-default line caps, joins
if (lineCapID !== 0) out(lineCapID.toString(10)+' J')
if (lineJoinID !== 0) out(lineJoinID.toString(10)+' j')
}
, getFont = function(fontName, fontType, undef) {
var key
try {
key = fontmap[fontName][fontType] // returns a string like 'F3' - the KEY corresponding tot he font + type combination.
} catch (e) {
key = undef
}
if (!key){
throw new Error("Unable to look up font label for font '"+fontName+"', '"+fontType+"'. Refer to getFontList() for available fonts.")
}
return key
}
, buildDocument = function() {
outToPages = false // switches out() to content
content = []
offsets = []
// putHeader()
out('%PDF-' + pdfVersion)
putPages()
putResources()
// Info
newObject()
out('<<')
putInfo()
out('>>')
out('endobj')
// Catalog
newObject()
out('<<')
putCatalog()
out('>>')
out('endobj')
// Cross-ref
var o = content_length
out('xref')
out('0 ' + (objectNumber + 1))
out('0000000000 65535 f ')
for (var i=1; i <= objectNumber; i++) {
out(padd10(offsets[i]) + ' 00000 n ')
}
// Trailer
out('trailer')
out('<<')
putTrailer()
out('>>')
out('startxref')
out(o)
out('%%EOF')
outToPages = true
return content.join('\n')
}
// Replace '/', '(', and ')' with pdf-safe versions
, pdfEscape = function(text) {
return text.replace(/\\/g, '\\\\').replace(/\(/g, '\\(').replace(/\)/g, '\\)')
}
, getStyle = function(style){
// see Path-Painting Operators of PDF spec
var op = 'S'; // stroke
if (style === 'F') {
op = 'f'; // fill
} else if (style === 'FD' || style === 'DF') {
op = 'B'; // both
}
return op;
}
// Image functionality ported from pdf.js
, putImg = function(img, url) {
newObject();
images[url]['n'] = objectNumber;
out('<</Type /XObject');
out('/Subtype /Image');
out('/Width ' + img['w']);
out('/Height ' + img['h']);
if (img['cs'] === 'Indexed') {
out('/ColorSpace [/Indexed /DeviceRGB '
+ (img['pal'].length / 3 - 1) + ' ' + (objectNumber + 1)
+ ' 0 R]');
} else {
out('/ColorSpace /' + img['cs']);
if (img['cs'] === 'DeviceCMYK') {
out('/Decode [1 0 1 0 1 0 1 0]');
}
}
out('/BitsPerComponent ' + img['bpc']);
if ('f' in img) {
out('/Filter /' + img['f']);
}
if ('dp' in img) {
out('/DecodeParms <<' + img['dp'] + '>>');
}
if ('trns' in img && img['trns'].constructor == Array) {
var trns = '';
for ( var i = 0; i < img['trns'].length; i++) {
trns += (img[trns][i] + ' ' + img['trns'][i] + ' ');
out('/Mask [' + trns + ']');
}
}
if ('smask' in img) {
out('/SMask ' + (objectNumber + 1) + ' 0 R');
}
out('/Length ' + img['data'].length + '>>');
putStream(img['data']);
out('endobj');
}
, putImages = function() {
for ( var url in images ) {
putImg(images[url], url);
}
}
// Public API
, _jsPDF = {
/**
* Adds (and transfers the focus to) new page to the PDF document.
* @function
* @returns {jsPDF}
* @name jsPDF.addPage
*/
addPage: function() {
_addPage()
return _jsPDF
},
/**
* Adds text to page. Supports adding multiline text when 'text' argument is an Array of Strings.
* @param {Number} x Coordinate (in units declared at inception of PDF document) against left edge of the page
* @param {Number} y Coordinate (in units declared at inception of PDF document) against upper edge of the page
* @param {String|Array} text String or array of strings to be added to the page. Each line is shifted one line down per font, spacing settings declared before this call.
* @function
* @returns {jsPDF}
* @name jsPDF.text
*/
text: function(x, y, text) {
/**
* Inserts something like this into PDF
BT
/F1 16 Tf % Font name + size
16 TL % How many units down for next line in multiline text
0 g % color
28.35 813.54 Td % position
(line one) Tj
T* (line two) Tj
T* (line three) Tj
ET
*/
// If there are any newlines in text, we assume
// the user wanted to print multiple lines, so break the
// text up into an array. If the text is already an array,
// we assume the user knows what they are doing.
if (typeof text === 'string' && text.match(/[\n\r]/)) {
text = text.split(/\r\n|\r|\n/g)
}
var newtext, str
if (typeof text === 'string') {
str = pdfEscape(text)
} else if (text instanceof Array) /* Array */{
// we don't want to destroy original text array, so cloning it
newtext = text.concat()
// we do array.join('text that must not be PDFescaped")
// thus, pdfEscape each component separately
for ( var i = newtext.length - 1; i !== -1 ; i--) {
newtext[i] = pdfEscape( newtext[i] )
}
str = newtext.join( ") Tj\nT* (" )
} else {
throw new Error('Type of text must be string or Array. "'+text+'" is not recognized.')
}
// Using "'" ("go next line and render text" mark) would save space but would complicate our rendering code, templates
// BT .. ET does NOT have default settings for Tf. You must state that explicitely every time for BT .. ET
// if you want text transformation matrix (+ multiline) to work reliably (which reads sizes of things from font declarations)
// Thus, there is NO useful, *reliable* concept of "default" font for a page.
// The fact that "default" (reuse font used before) font worked before in basic cases is an accident
// - readers dealing smartly with brokenness of jsPDF's markup.
out(
'BT\n/' +
activeFontKey + ' ' + fontSize + ' Tf\n' + // font face, style, size
fontSize + ' TL\n' + // line spacing
textColor +
'\n' + f2(x * k) + ' ' + f2((pageHeight - y) * k) + ' Td\n(' +
str +
') Tj\nET'
)
return _jsPDF
},
line: function(x1, y1, x2, y2) {
out(
f2(x1 * k) + ' ' + f2((pageHeight - y1) * k) + ' m ' +
f2(x2 * k) + ' ' + f2((pageHeight - y2) * k) + ' l S'
)
return _jsPDF
},
/**
* Adds series of curves (straight lines or cubic bezier curves) to canvas, starting at `x`, `y` coordinates.
* All data points in `lines` are relative to last line origin.
* `x`, `y` become x1,y1 for first line / curve in the set.
* For lines you only need to specify [x2, y2] - (ending point) vector against x1, y1 starting point.
* For bezier curves you need to specify [x2,y2,x3,y3,x4,y4] - vectors to control points 1, 2, ending point. All vectors are against the start of the curve - x1,y1.
*
* @example .lines(212,110,[[2,2],[-2,2],[1,1,2,2,3,3],[2,1]], 10) // line, line, bezier curve, line
* @param {Number} x Coordinate (in units declared at inception of PDF document) against left edge of the page
* @param {Number} y Coordinate (in units declared at inception of PDF document) against upper edge of the page
* @param {Array} lines Array of *vector* shifts as pairs (lines) or sextets (cubic bezier curves).
* @param {Number} scale (Defaults to [1.0,1.0]) x,y Scaling factor for all vectors. Elements can be any floating number Sub-one makes drawing smaller. Over-one grows the drawing. Negative flips the direction.
* @function
* @returns {jsPDF}
* @name jsPDF.text
*/
lines: function(x, y, lines, scale, style) {
var undef
style = getStyle(style)
scale = scale === undef ? [1,1] : scale
// starting point
out(f3(x * k) + ' ' + f3((pageHeight - y) * k) + ' m ')
var scalex = scale[0]
, scaley = scale[1]
, i = 0
, l = lines.length
, leg
, x2, y2 // bezier only. In page default measurement "units", *after* scaling
, x3, y3 // bezier only. In page default measurement "units", *after* scaling
// ending point for all, lines and bezier. . In page default measurement "units", *after* scaling
, x4 = x // last / ending point = starting point for first item.
, y4 = y // last / ending point = starting point for first item.
for (; i < l; i++) {
leg = lines[i]
if (leg.length === 2){
// simple line
x4 = leg[0] * scalex + x4 // here last x4 was prior ending point
y4 = leg[1] * scaley + y4 // here last y4 was prior ending point
out(f3(x4 * k) + ' ' + f3((pageHeight - y4) * k) + ' l')
} else {
// bezier curve
x2 = leg[0] * scalex + x4 // here last x4 is prior ending point
y2 = leg[1] * scaley + y4 // here last y4 is prior ending point
x3 = leg[2] * scalex + x4 // here last x4 is prior ending point
y3 = leg[3] * scaley + y4 // here last y4 is prior ending point
x4 = leg[4] * scalex + x4 // here last x4 was prior ending point
y4 = leg[5] * scaley + y4 // here last y4 was prior ending point
out(
f3(x2 * k) + ' ' +
f3((pageHeight - y2) * k) + ' ' +
f3(x3 * k) + ' ' +
f3((pageHeight - y3) * k) + ' ' +
f3(x4 * k) + ' ' +
f3((pageHeight - y4) * k) + ' c'
)
}
}
// stroking / filling / both the path
out(style)
return _jsPDF
},
rect: function(x, y, w, h, style) {
var op = getStyle(style)
out([
f2(x * k)
, f2((pageHeight - y) * k)
, f2(w * k)
, f2(-h * k)
, 're'
, op
].join(' '))
return _jsPDF
},
triangle: function(x1, y1, x2, y2, x3, y3, style) {
this.lines(
x1, x2 // start of path
, [
[ x2 - x1 , y2 - y1 ] // vector to point 2
, [ x3 - x2 , y3 - y2 ] // vector to point 3
, [ x1 - x3 , y1 - y3 ] // closing vector back to point 1
]
, [1,1]
, style
)
return _jsPDF;
},
ellipse: function(x, y, rx, ry, style) {
var op = getStyle(style)
, lx = 4/3*(Math.SQRT2-1)*rx
, ly = 4/3*(Math.SQRT2-1)*ry
out([
f2((x+rx)*k)
, f2((pageHeight-y)*k)
, 'm'
, f2((x+rx)*k)
, f2((pageHeight-(y-ly))*k)
, f2((x+lx)*k)
, f2((pageHeight-(y-ry))*k)
, f2(x*k)
, f2((pageHeight-(y-ry))*k)
, 'c'
].join(' '))
out([
f2((x-lx)*k)
, f2((pageHeight-(y-ry))*k)
, f2((x-rx)*k)
, f2((pageHeight-(y-ly))*k)
, f2((x-rx)*k)
, f2((pageHeight-y)*k)
, 'c'
].join(' '))
out([
f2((x-rx)*k)
, f2((pageHeight-(y+ly))*k)
, f2((x-lx)*k)
, f2((pageHeight-(y+ry))*k)
, f2(x*k)
, f2((pageHeight-(y+ry))*k)
, 'c'
].join(' '))
out([
f2((x+lx)*k)
, f2((pageHeight-(y+ry))*k)
, f2((x+rx)*k)
, f2((pageHeight-(y+ly))*k)
, f2((x+rx)*k)
, f2((pageHeight-y)*k)
,'c'
, op
].join(' '))
return _jsPDF
},
circle: function(x, y, r, style) {
return this.ellipse(x, y, r, r, style)
},
setProperties: function(properties) {
documentProperties = properties
return _jsPDF
},
addImage: function(imageData, format, x, y, w, h) {
if (format.toUpperCase() !== 'JPEG') {
throw new Error('addImage currently only supports format \'JPEG\', not \''+format+'\'');
}
var imageIndex = Object.keys(images).length;
var dims = getJpegSize(imageData);
var info = {
w : dims[0],
h : dims[1],
cs : 'DeviceRGB',
bpc : 8,
f : 'DCTDecode',
i : imageIndex,
data : imageData
};
images[imageIndex] = info
if (!w && !h) {
w = -96;
h = -96;
}
if (w < 0) {
w = (-1) * info['w'] * 72 / w / k;
}
if (h < 0) {
h = (-1) * info['h'] * 72 / h / k;
}
if (w === 0) {
w = h * info['w'] / info['h'];
}
if (h === 0) {
h = w * info['h'] / info['w'];
}
// out(sprintf('q %.2f 0 0 %.2f %.2f %.2f cm /I%d Do Q', w * k, h
// * k, x * k, (pageHeight - (y + h)) * k, info['i']));
out( 'q '+f2(w*k)+' 0 0 '+f2(h*k)+' '+
f2(x*k)+' '+f2((pageHeight - (y + h)) * k)+
' cm /I'+info['i']+' Do Q');
return _jsPDF
},
setFontSize: function(size) {
fontSize = size
return _jsPDF
},
setFont: function(name) {
var _name = name.toLowerCase()
activeFontKey = getFont(_name, fontType)
// if font is not found, the above line blows up and we never go further
fontName = _name
return _jsPDF
},
setFontType: function(type) {
var _type = type.toLowerCase()
activeFontKey = getFont(fontName, _type)
// if font is not found, the above line blows up and we never go further
fontType = _type
return _jsPDF
},
getFontList: function(){
// TODO: iterate over fonts array or return copy of fontmap instead in case more are ever added.
return {
HELVETICA:[NORMAL, BOLD, ITALIC, BOLD_ITALIC]
, TIMES:[NORMAL, BOLD, ITALIC, BOLD_ITALIC]
, COURIER:[NORMAL, BOLD, ITALIC, BOLD_ITALIC]
}
},
setLineWidth: function(width) {
out((width * k).toFixed(2) + ' w')
return _jsPDF
},
setDrawColor: function(r,g,b) {
var color
if ((r===0 && g===0 && b===0) || (typeof g === 'undefined')) {
color = f3(r/255) + ' G'
} else {
color = [f3(r/255), f3(g/255), f3(b/255), 'RG'].join(' ')
}
out(color)
return _jsPDF
},
setFillColor: function(r,g,b) {
var color
if ((r===0 && g===0 && b===0) || (typeof g === 'undefined')) {
color = f3(r/255) + ' g'
} else {
color = [f3(r/255), f3(g/255), f3(b/255), 'rg'].join(' ')
}
out(color)
return _jsPDF
},
setTextColor: function(r,g,b) {
if ((r===0 && g===0 && b===0) || (typeof g === 'undefined')) {
textColor = f3(r/255) + ' g'
} else {
textColor = [f3(r/255), f3(g/255), f3(b/255), 'rg'].join(' ')
}
return _jsPDF
},
CapJoinStyles: {
0:0, 'butt':0, 'but':0, 'bevel':0
, 1:1, 'round': 1, 'rounded':1, 'circle':1
, 2:2, 'projecting':2, 'project':2, 'square':2, 'milter':2
},
setLineCap: function(style, undef) {
var id = this.CapJoinStyles[style]
if (id === undef) {
throw new Error("Line cap style of '"+style+"' is not recognized. See or extend .CapJoinStyles property for valid styles")
}
lineCapID = id
out(id.toString(10) + ' J')
},
setLineJoin: function(style, undef) {
var id = this.CapJoinStyles[style]
if (id === undef) {
throw new Error("Line join style of '"+style+"' is not recognized. See or extend .CapJoinStyles property for valid styles")
}
lineJoinID = id
out(id.toString(10) + ' j')
},
base64encode: function(data) {
// use native code if it's present
var encode = btoa || function(data) {
/** @preserve
====================================================================
base64 encoder
MIT, GPL
version: 1109.2015
discuss at: http://phpjs.org/functions/base64_encode
+ original by: Tyler Akins (http://rumkin.com)
+ improved by: Bayron Guevara
+ improved by: Thunder.m
+ improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+ bugfixed by: Pellentesque Malesuada
+ improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+ improved by: Rafal Kukawski (http://kukawski.pl)
====================================================================
*/
var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
, b64a = b64.split('')
, o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
ac = 0,
enc = "",
tmp_arr = [];
do { // pack three octets into four hexets
o1 = data.charCodeAt(i++);
o2 = data.charCodeAt(i++);
o3 = data.charCodeAt(i++);
bits = o1 << 16 | o2 << 8 | o3;
h1 = bits >> 18 & 0x3f;
h2 = bits >> 12 & 0x3f;
h3 = bits >> 6 & 0x3f;
h4 = bits & 0x3f;
// use hexets to index into b64, and append result to encoded string
tmp_arr[ac++] = b64a[h1] + b64a[h2] + b64a[h3] + b64a[h4];
} while (i < data.length);
enc = tmp_arr.join('');
var r = data.length % 3;
return (r ? enc.slice(0, r - 3) : enc) + '==='.slice(r || 3);
// end of base64 encoder MIT, GPL
}
try {
return encode(data)
} catch(e) {
// INVALID_CHARACTER_ERR
// This is what happens if we have utf16 characters in our string.
// If so, we should re-encode them as utf-8 bytes.
if (e.code === 5) {
return encode(utf16to8(data))
} else {
throw e
}
}
},
output: function(type, options) {
var undef
switch (type){
case undef: return buildDocument()
case 'datauristring':
case 'datauristrlng':
return 'data:application/pdf;base64,' + this.base64encode(buildDocument())
case 'datauri':
case 'dataurl':
document.location.href = 'data:application/pdf;base64,' + this.base64encode(buildDocument()); break;
default: throw new Error('Output type "'+type+'" is not supported.')
}
// @TODO: Add different output options
}
}
/////////////////////////////////////////
// Initilisation if jsPDF Document object
/////////////////////////////////////////
if (unit == 'pt') {
k = 1
} else if(unit == 'mm') {
k = 72/25.4
} else if(unit == 'cm') {
k = 72/2.54
} else if(unit == 'in') {
k = 72
} else {
throw('Invalid unit: ' + unit)
}
// Dimensions are stored as user units and converted to points on output
if (format_as_string in pageFormats) {
pageHeight = pageFormats[format_as_string][1] / k
pageWidth = pageFormats[format_as_string][0] / k
} else {
try {
pageHeight = format[1]
pageWidth = format[0]
}
catch(err) {
throw('Invalid format: ' + format)
}
}
if (orientation === 'p' || orientation === 'portrait') {
orientation = 'p'
} else if (orientation === 'l' || orientation === 'landscape') {
orientation = 'l'
var tmp = pageWidth
pageWidth = pageHeight
pageHeight = tmp
} else {
throw('Invalid orientation: ' + orientation)
}
// Add the first page automatically
addFonts()
activeFontKey = getFont(fontName, fontType)
_addPage();
return _jsPDF
} |
Partager